Could this be the final nail in Stelena’s coffin? Watch & vote!

Just when Elena (Nina Dobrev) thought she knew all there was to know about Stefan (Paul Wesley), along comes Damon (Ian Somerhalder) to reveal yet another unsettling secret about his little brother. In this brand-new clip from the Sept. 29 episode of The Vampire Diaries, Damon takes Elena on a little tour of his and Stefan’s old stomping grounds in Chicago — where she meets a few of Stefan’s skeletons.

Could this new discovery scare Elena off from Stefan for good? (The episode is titled “The End of the Affair,” after all!) Watch the preview clip below and cast your vote: